100718729 has 2 divisors, whose sum is σ = 100718730. Its totient is φ = 100718728.

The previous prime is 100718707. The next prime is 100718749. The reversal of 100718729 is 927817001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 3794704 = 9845^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 100718729 - 2¹⁶ = 100653193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100718749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50359364 + 50359365.

It is an arithmetic number, because the mean of its divisors is an integer number (50359365).

Almost surely, 2^100718729 is an apocalyptic number.

It is an amenable number.

100718729 is a deficient number, since it is larger than the sum of its proper divisors (1).

100718729 is an equidigital number, since it uses as much as digits as its factorization.

100718729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 100718729 is about 10035.8721095877. The cubic root of 100718729 is about 465.2682446575.

The spelling of 100718729 in words is "one hundred million, seven hundred eighteen thousand, seven hundred twenty-nine".